Survey data on PDFs is referenced to Louisiana South State Plane Coordinates North American Datum 1983 with soundings referenced below Low Water Reference Plane 2007 via N.A.V.D. gage in U.S. Survey Feet. XYZ files are in U.S. Survey feet referenced to N.A.V.D unless otherwise noted.

Mississippi River Crossings
   Survey title Survey date Survey date
       Sheet Name    River Mile Recon - Profile Only Full Survey
Mississippi River Shallow Draft Crossings
   Old River Control 07/25/2019 02/11/2021
       MS_07_OLD    MM 315 to 309.5 PDF XYZ Shape PDF XYZ Shape
   Fort Adams Reach 07/25/2019 02/10/2021
       MS_08_FAR    MM 309.5 to 305 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 1 07/23/2019 02/09/2021
       MS_09_SM1    MM 305 to 300 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 2 07/24/2019 02/08/2021
       MS_10_SM2    MM 300 to 296 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 3 08/06/2020 02/08/2021
       MS_11_SM3    MM 296 to 291 PDF XYZ Shape PDF XYZ Shape
   Iowa Point - Sh. 3 mm/dd/yyyy 03/19/2021
       MS_17_IP3    MM 281 to 279 PDF XYZ Shape PDF XYZ Shape
   Bayou Sara 07/03/2019 04/09/2021
       MS_24_BYS    MM 267 to 264 PDF XYZ Shape PDF XYZ Shape
   Profit Island - Sh. 2 mm/dd/yyyy 09/21/2019
       MS_31_PI2    MM 252 to 250 PDF XYZ Shape PDF XYZ Shape
   Wilkerson Point 09/22/2020 04/08/2021
       MS_39_WIL    MM 236 to 233 PDF XYZ Shape PDF XYZ Shape
Mississippi River Deep Draft Crossings
   Baton Rouge Front 04/20/2021 03/15/2021
       MD_01_BRF    MM 233 to 229 PDF XYZ Shape PDF XYZ Shape
   Arlington 1 03/19/2019 03/11/2021
       MD_02_AR1    MM 229 to 227 PDF XYZ Shape PDF XYZ Shape
   Arlington 2 07/31/2018 03/11/2021
       MD_03_AR2    MM 227 to 225 PDF XYZ Shape PDF XYZ Shape
   Redeye 04/20/2021 04/02/2021
       MD_04_RED    MM 225 to 222 PDF XYZ Shape PDF XYZ Shape
   Missouri Bend mm/dd/yyyy 04/02/2021
       MD_05_MIB    MM 222 to 220 PDF XYZ Shape PDF XYZ Shape
   Sardine Point 04/20/2021 04/01/2021
       MD_06_SDP    MM 220 to 216 PDF XYZ Shape PDF XYZ Shape
   Manchac Bend 03/27/2019 04/01/2021
       MD_07_MCB    MM 216 to 213 PDF XYZ Shape PDF XYZ Shape
   Medora 04/20/2021 04/01/2021
       MD_08_MED    MM 213 to 208 PDF XYZ Shape PDF XYZ Shape
   Plaquemine Bend mm/dd/yyyy 03/31/2021
       MD_09_PLB    MM 208 to 206 PDF XYZ Shape PDF XYZ Shape
   Granada 04/14/2021 03/31/2021
       MD_10_GRA    MM 206 to 203 PDF XYZ Shape PDF XYZ Shape
   St. Gabriel - Sh. 1 mm/dd/yyyy 03/31/2021
       MD_11_SG1    MM 203 to 201 PDF XYZ Shape PDF XYZ Shape
   St. Gabriel - Sh. 2 mm/dd/yyyy 03/30/2021
       MD_12_SG2    MM 201 to 199 PDF XYZ Shape PDF XYZ Shape
   Bayou Goula 04/14/2021 03/30/2021
       MD_13_GOU    MM 199 to 196 PDF XYZ Shape PDF XYZ Shape
   White Castle - Sh. 1 mm/dd/yyyy 03/30/2021
       MD_14_WC1    MM 196 to 194 PDF XYZ Shape PDF XYZ Shape
   White Castle - Sh. 2 mm/dd/yyyy 03/30/2021
       MD_15_WC2    MM 194 to 192 PDF XYZ Shape PDF XYZ Shape
   Alhambra 04/14/2021 03/25/2021
       MD_16_ALH    MM 192 to 189 PDF XYZ Shape PDF XYZ Shape
   Claiborne Island - Sh. 1 mm/dd/yyyy 03/25/2021
       MD_17_CB1    MM 189 to 187 PDF XYZ Shape PDF XYZ Shape
   Claiborne Island - Sh. 2 mm/dd/yyyy 03/25/2021
       MD_18_CB2    MM 187 to 185 PDF XYZ Shape PDF XYZ Shape
   Philadelphia Point 04/13/2021 03/24/2021
       MD_19_PHP    MM 185 to 182 PDF XYZ Shape PDF XYZ Shape
   Marchand mm/dd/yyyy 03/24/2021
       MD_20_MCH    MM 182 to 180 PDF XYZ Shape PDF XYZ Shape
   81 Mile Point 04/03/2019 03/24/2021
       MD_21_81P    MM 180 to 178 PDF XYZ Shape PDF XYZ Shape
   Smoke Bend 04/13/2021 03/24/2021
       MD_22_SMB    MM 178 to 172 PDF XYZ Shape PDF XYZ Shape
   Point Houmas mm/dd/yyyy 03/23/2021
       MD_23_PHO    MM 172 to 170 PDF XYZ Shape PDF XYZ Shape
   Burnside - Sh. 1 mm/dd/yyyy 03/18/2021
       MD_24_BS1    MM 170 to 168 PDF XYZ Shape PDF XYZ Shape
   Burnside - Sh. 2 mm/dd/yyyy 03/18/2021
       MD_25_BS2    MM 168 to 166 PDF XYZ Shape PDF XYZ Shape
   St. Alice mm/dd/yyyy 03/18/2021
       MD_26_STA    MM 166 to 164 PDF XYZ Shape PDF XYZ Shape
   Brilliant Point - Sh. 1 mm/dd/yyyy 03/17/2021
       MD_27_BP1    MM 164 to 162 PDF XYZ Shape PDF XYZ Shape
   Brilliant Point - Sh. 2 11/05/2015 03/17/2021
       MD_28_BP2    MM 162 to 160 PDF XYZ Shape PDF XYZ Shape
   Rich Bend 04/20/2021 03/17/2021
       MD_29_RIB    MM 160 to 156 PDF XYZ Shape PDF XYZ Shape
   Belmont 04/20/2021 03/16/2021
       MD_30_BEL    MM 156 to 151 PDF XYZ Shape PDF XYZ Shape
   Grandview - Sh. 1 mm/dd/yyyy 04/06/2021
       MD_31_GV1    MM 151 to 149 PDF XYZ Shape PDF XYZ Shape
   Grandview - Sh. 2 mm/dd/yyyy 04/06/2021
       MD_32_GV2    MM 149 to 147 PDF XYZ Shape PDF XYZ Shape
   Grandview - Sh. 3 08/07/2020 04/06/2021
       MD_33_GV3    MM 147 to 145 PDF XYZ Shape PDF XYZ Shape
   50 Mile Point mm/dd/yyyy 03/30/2021
       MD_34_50P    MM 145 to 143 PDF XYZ Shape PDF XYZ Shape
   Willow Bend mm/dd/yyyy 03/30/2021
       MD_35_WIB    MM 143 to 141 PDF XYZ Shape PDF XYZ Shape
   Reserve - Sh. 1 mm/dd/yyyy 03/30/2021
       MD_36_RE1    MM 141 to 139 PDF XYZ Shape PDF XYZ Shape
   Reserve - Sh. 2 03/28/2017 03/30/2021
       MD_37_RE2    MM 139 to 137 PDF XYZ Shape PDF XYZ Shape
   Lucy 03/28/2017 03/25/2021
       MD_38_LUC    MM 137 to 135 PDF XYZ Shape PDF XYZ Shape
   Bonnet Carre - Sh. 1 mm/dd/yyyy 03/25/2021
       MD_39_BC1    MM 135 to 133 PDF XYZ Shape PDF XYZ Shape
   Bonnet Carre - Sh. 2 mm/dd/yyyy 03/25/2021
       MD_40_BC2    MM 133 to 131 PDF XYZ Shape PDF XYZ Shape
   35 Mile Point mm/dd/yyyy 03/24/2021
       MD_41_35P    MM 131 to 129 PDF XYZ Shape PDF XYZ Shape
   Bonnet Carre Spillway 04/12/2019 03/24/2021
       MD_42_BCS    MM 129 to 127 PDF XYZ Shape PDF XYZ Shape
   Hahnville mm/dd/yyyy 03/24/2021
       MD_43_HAN    MM 127 to 125 PDF XYZ Shape PDF XYZ Shape
   26 Mile Point mm/dd/yyyy 03/24/2021
       MD_44_26P    MM 125 to 123 PDF XYZ Shape PDF XYZ Shape
   Luling - Sh. 1 mm/dd/yyyy 03/18/2021
       MD_45_LU1    MM 123 to 121 PDF XYZ Shape PDF XYZ Shape
   Luling - Sh. 2 mm/dd/yyyy 03/18/2021
       MD_46_LU2    MM 121 to 119 PDF XYZ Shape PDF XYZ Shape
   Luling - Sh. 3 mm/dd/yyyy 03/18/2021
       MD_47_LU3    MM 119 to 117 PDF XYZ Shape PDF XYZ Shape
   Fairview 03/17/2021 03/17/2021
       MD_48_FRV    MM 117 to 113 PDF XYZ Shape PDF XYZ Shape
   Avondale Bend - Sh. 1 mm/dd/yyyy 03/17/2021
       MD_49_AV1    MM 113 to 110 PDF XYZ Shape PDF XYZ Shape
   Avondale Bend - Sh. 1 mm/dd/yyyy 03/17/2021
       MD_50_AV2    MM 110 to 107 PDF XYZ Shape PDF XYZ Shape
   Avondale Bend - Sh. 3 mm/dd/yyyy 03/16/2021
       MD_51_AV3    MM 107 to 105 PDF XYZ Shape PDF XYZ Shape
   Carrollton - Sh.1 mm/dd/yyyy 03/16/2021
       MD_52_CA1    MM 105 to 103 PDF XYZ Shape PDF XYZ Shape
Mississippi River New Orleans to Venice
   Poydras 03/01/2016 03/01/2016
       MD_61_PYD    MM 86 to 84 PDF XYZ Shape PDF XYZ Shape
   12 Mile Point - Sh. 1 03/01/2016 03/01/2016
       MD_62_TW1    MM 84 to 82 PDF XYZ Shape PDF XYZ Shape
   Fort Jackson - Sh. 2 01/18/2019 05/15/2020
       MD_95_FJ2    MM 19 to 17 PDF XYZ Shape PDF XYZ Shape
   Boothville 01/18/2019 06/03/2020
       MD_96_BTV    MM 17 to 15 PDF XYZ Shape PDF XYZ Shape
   Venice 07/02/2020 03/03/2021
       MD_97_VEN    MM 15 to 13 PDF XYZ Shape PDF XYZ Shape